CN110907353B - Test device for bonding strength between multi-layer bonding materials - Google Patents
Test device for bonding strength between multi-layer bonding materials Download PDFInfo
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- CN110907353B CN110907353B CN201911225233.0A CN201911225233A CN110907353B CN 110907353 B CN110907353 B CN 110907353B CN 201911225233 A CN201911225233 A CN 201911225233A CN 110907353 B CN110907353 B CN 110907353B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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Abstract
The invention discloses a test device for bonding strength among multiple layers of bonding materials, which comprises a base, a hydraulic fixing system and a hydraulic mechanism, wherein the hydraulic fixing system is arranged above the base; the device comprises a base, a first drawing fixer, a second drawing fixer, a drawing regulator and a drawing induction dynamometer, wherein the first drawing fixer is arranged on the base and used for fixing a sample bottom auxiliary drawing device, the second drawing fixer is arranged above the first drawing fixer and used for fixing a sample top drawing device, the drawing regulator is arranged on a hydraulic fixing system and connected with the second drawing fixer, the drawing induction dynamometer is connected between the second drawing fixer and the drawing regulator, and the hydraulic mechanism is connected with the drawing regulator and used for exerting force on a sample; and the information processing module is connected with the induction dynamometer and is used for acquiring test data. The bonding strength test device can accurately and conveniently measure the bonding strength among the multiple layers of bonding materials, and can be compatible with the traditional bonding strength test function.
Description
Technical Field
The invention relates to a strength test device, in particular to a test device for bonding strength among multiple layers of bonding materials.
Background
The bonding strength is an important index for evaluating the service performance of the bonding material, and the tensile strength of the bonding material needs to be tested in a plurality of current bonding material drawing tests. The bonding strength between the liquid cured bonding material and the common solid material is tested by a perfect tester, and the test result is accurate.
With the continuous progress of material technology, the construction industry often encounters the situation of bonding between different bonding materials or layering and bonding of the same bonding material, but currently, strength testing instruments and testing methods for bonding materials under the situations are not complete enough in laboratories, and at present, testing instruments for testing the bonding performance of bonding materials mainly aim at the bonding performance between liquid binders and solid materials, and taking asphalt materials as an example, common bonding strength testing instruments for asphalt and aggregates mainly comprise a manual asphalt drawing instrument, an automatic drawing instrument and the like.
Therefore, the adhesive strength performance among the adhesive strengths of the multiple layers cannot be accurately and conveniently tested by the existing test instruments and means.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a bonding strength test device which can accurately and conveniently measure the bonding strength among multiple layers of bonding materials and is compatible with the traditional bonding strength test function.
The technical scheme is as follows: the invention relates to a test device for bonding strength among multiple layers of bonding materials, which comprises a base, a hydraulic fixing system and a hydraulic mechanism, wherein the hydraulic fixing system is arranged above the base; the device comprises a base, a first drawing fixer, a second drawing fixer, a drawing regulator and a drawing induction dynamometer, wherein the first drawing fixer is arranged on the base and used for fixing a sample bottom auxiliary drawing device, the second drawing fixer is arranged above the first drawing fixer and used for fixing a sample top drawing device, the drawing regulator is arranged on a hydraulic fixing system and connected with the second drawing fixer, the drawing induction dynamometer is connected between the second drawing fixer and the drawing regulator, and the hydraulic mechanism is connected with the drawing regulator and used for exerting force on a sample; the information processing module is connected with the induction dynamometer and used for acquiring test data; the drawing head combination module comprises a first drawing head and a second drawing head and is used for drawing tests of the bonding materials.
Preferably, the base is provided with a regulating device connected with the first drawing fixer and used for regulating the position of the first drawing fixer.
Preferably, the information processing module comprises a test data input module, an information processing and analyzing module and an information display screen.
Preferably, the device further comprises a power supply device, wherein the power supply device comprises a USB interface and a current processing module, the USB interface is arranged on the hydraulic fixing system, and the current processing module is used for adjusting current.
Preferably, three hydraulic mechanisms are arranged on two sides and the middle of the base, and the middle hydraulic mechanism is connected with the drawing regulator.
Preferably, a moving pulley and a motor are provided inside the drawing adjuster.
Preferably, the first drawing fixer is provided with a buckle fixing device, and a control switch is designed outside the first drawing fixer.
Preferably, a hydraulic control module for controlling the hydraulic mechanism is arranged in the hydraulic fixing system.
Has the advantages that: compared with the prior art, the invention can obtain the following beneficial effects: 1. the hydraulic structure of the invention is matched with the drawing regulator, the induction dynamometer and the upper and lower drawing fixer, and can accurately and conveniently test the bonding strength among multiple layers of bonding materials. 2. When the bonding strength test of the single-layer bonding material is carried out, the auxiliary drawing device can be a drawing head or an existing bonding test board, so that the invention can be compatible with the function of the traditional bonding strength test. 3. The device has complete functions, convenient installation of each mechanism, simple structure, strong operability and wide adaptability.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side cross-sectional view of the present invention;
FIG. 3 is a rear cross-sectional view of the present invention;
FIG. 4 is a schematic drawing of a single layer of bonding material of the present invention;
fig. 5 is a drawing structure of the multi-layered adhesive material of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1-5, wherein: 101. a first drawing holder; 102. bonding the test board; 103. a regulating device; 104. an induction dynamometer; 105. a second drawing holder; 106. a drawing adjuster; 201. a base; 202. a hydraulic mechanism; 203. a hydraulic fixing system; 3. a power supply device; 301. a USB interface; 302. a current processing module; 4. an information processing module; 401. a test data input module; 402. an information processing and analyzing module; 403. an information display screen; 501. a first drawing head; 502. a second drawing head; 503. and (3) a bonding material.
The invention discloses a test device for bonding strength among multiple layers of bonding materials, which comprises a base 201, wherein two sides and the middle of the base 201 are respectively provided with a hydraulic mechanism 202, and a hydraulic fixing system 203 is arranged above the hydraulic mechanisms 202. Be provided with first drawing fixer 101 on the base 201, first drawing fixer 101 is used for the supplementary pulling apparatus in fixed sample bottom, first drawing fixer 101 top is provided with the second that is used for fixed sample top pulling apparatus and draws fixer 105, be provided with on the hydraulic fixing system 203 and draw regulator 106, draw regulator 106 and second drawing fixer 105 and be connected the position that is used for adjusting second drawing fixer 105, be connected with between second drawing fixer 105 and the drawing regulator 106 and draw response ergograph 104. The power supply device 3 includes a USB interface 301 and a current processing module 302 for adjusting current, which are respectively disposed on the hydraulic fixing system 203. The information processing module 4 is connected with the induction dynamometer 104 and used for acquiring test data, and the information processing module 4 comprises a test data input module 401, an information processing analysis module 402 and an information display screen 403. The sample for testing the bonding strength in this embodiment is two layers of bonding material 503, which may be more layers of bonding material, the same or different types of bonding material, or may be a conventional single layer of bonding material. If a single layer of adhesive material is formed, the first drawing head 501 is used at the top of the adhesive material, and the adhesive test board 102 is used at the bottom as an auxiliary drawing device.
The working process is as follows:
first step, preparation of adhesive material:
if the single-layer adhesive material is subjected to the adhesion strength test, the single-layer adhesive material is firstly molded, the first drawing head 501 is used at the top of the adhesive material during molding, the adhesion test board 102 is used at the bottom of the adhesive material as an auxiliary drawing device, and as shown in fig. 4, after molding, the adhesive material overflowing from the periphery of the bottom of the first drawing head 501 is carefully scraped by a knife. The bonding test board 102, the first drawing head 501, and the bonding material are placed in the first drawing holder 101 on the base 201 and fixed by tightening the fixing bolts.
If the second drawing head 502 is used as an auxiliary drawing device to perform the adhesion strength test of the single-layer or double-layer or more adhesive materials, the first drawing head 501, the second drawing head 502 and the middle multiple layers of adhesive materials 503 are placed on the first drawing holder 101, as shown in fig. 5, the two layers of adhesive materials 503 are schematically formed.
Secondly, loading preparation of the bonding material:
the power supply device 3 is connected and started, and the front-back distance of the auxiliary drawing device is adjusted through the adjusting device 103, so that the first drawing head 501 and the induction force measuring device 104 are positioned on the same straight line. The horizontal left and right positions of the induction dynamometer 104 are adjusted so that the induction dynamometer 104 is substantially aligned with the center of the first drawing head 501, the hydraulic mechanism 202 is adjusted to reduce the distance between the induction dynamometer 104 and the first drawing head 501, when the induction dynamometer 104 approaches the first drawing head 501, the position of the second drawing holder 105 should be carefully observed and adjusted, and when the second drawing holder 105 is completely aligned with the first drawing head 501, the hydraulic mechanism 104 is continuously and slowly adjusted to descend. And (3) observing the change condition of the compressive stress of the butting first drawing head 501 of the hydraulic mechanism 104, and when the compressive stress is suddenly changed from 0 and is smaller than a certain minimum limit value, continuing to perform the next test. After the induction dynamometer 104 and the first drawing head 501 are fixed by the second drawing holder 105, a formal drawing strength test can be performed.
Thirdly, loading a bonding material:
after the loading rate and the loading mode of the test force loading device 4 are set by using the test data input module 401, a loading test can be performed. When the bonding material 503 loses strength in the test process, the test is stopped, required test data is obtained according to the information processing and analyzing module 402 and the information display screen 403, and the strain image and corresponding data indexes can be output by connecting a computer through the USB interface 301.
Claims (7)
1. A test device for bonding strength among multiple layers of bonding materials is characterized by comprising a base (201), a hydraulic fixing system (203) arranged above the base (201), and a hydraulic mechanism (202) arranged between the base (201) and the hydraulic fixing system (203); the device comprises a first drawing fixer (101) arranged on a base (201) and used for fixing a sample bottom auxiliary drawing device, a second drawing fixer (105) arranged above the first drawing fixer (101) and used for fixing a sample top drawing device, and a drawing regulator (106) arranged on a hydraulic fixing system (203), wherein the drawing regulator (106) is connected with the second drawing fixer (105), a drawing induction dynamometer (104) is connected between the second drawing fixer (105) and the drawing regulator (106), and a hydraulic mechanism (202) is connected with the drawing regulator (106) and used for exerting force on a sample; the information processing module (4) is connected with the induction dynamometer (104) and used for acquiring test data;
the base (201) is provided with a regulating device (103) which is connected with the first drawing fixer (101) and is used for regulating the position of the first drawing fixer (101); if the single-layer bonding material is formed, a first drawing head (501) is used at the top of the bonding material, a bonding test board (102) is used as an auxiliary drawing device at the bottom of the bonding material, and if the multi-layer bonding material is formed, a second drawing head (502) is used as an auxiliary drawing device at the bottom of the bonding material;
if the bonding strength test of the single-layer bonding material is carried out, the bonding test board (102), the first drawing head (501) and the bonding material are placed in a first drawing fixer (101) on a base (201);
when the bonding strength test of a single-layer or double-layer or more adhesive material is performed using the second drawing head (502) as an auxiliary drawing device, the first drawing head (501), the second drawing head (502), and a plurality of layers of adhesive material (503) in the middle thereof are placed on the first drawing holder (101).
2. The test device for the bonding strength among the multi-layer bonding materials according to claim 1, wherein the information processing module (4) comprises a test data input module (401), an information processing and analyzing module (402) and an information display screen (403).
3. The test device for the bonding strength among the multi-layer bonding materials according to claim 1, further comprising a power supply device (3), wherein the power supply device (3) comprises a USB interface (301) and a current processing module (302) for adjusting current, which are respectively arranged on the hydraulic fixing system (203).
4. The test device for bonding strength between multi-layer bonding materials according to claim 1, wherein three hydraulic mechanisms (202) are arranged at two sides and the middle of the base (201), and the hydraulic mechanism at the middle is connected with the drawing regulator (106).
5. The test apparatus for testing bonding strength between multi-layered bonding materials according to claim 1, wherein the drawing adjuster (106) is internally provided with a moving pulley and a motor.
6. The test device for the bonding strength among the multi-layer bonding materials according to claim 1, wherein the first drawing holder (101) is provided with a snap fixing device and is externally designed with a control switch.
7. The test device for bonding strength between multi-layer bonding materials according to claim 1, wherein a hydraulic control module for controlling the hydraulic mechanism (202) is arranged inside the hydraulic fixing system (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911225233.0A CN110907353B (en) | 2019-12-04 | 2019-12-04 | Test device for bonding strength between multi-layer bonding materials |
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| CN201911225233.0A CN110907353B (en) | 2019-12-04 | 2019-12-04 | Test device for bonding strength between multi-layer bonding materials |
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| CN110907353B true CN110907353B (en) | 2021-10-19 |
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